US6370134B1 - CDMA radio communication apparatus - Google Patents
CDMA radio communication apparatus Download PDFInfo
- Publication number
- US6370134B1 US6370134B1 US09/115,502 US11550298A US6370134B1 US 6370134 B1 US6370134 B1 US 6370134B1 US 11550298 A US11550298 A US 11550298A US 6370134 B1 US6370134 B1 US 6370134B1
- Authority
- US
- United States
- Prior art keywords
- long code
- code
- correlation
- long
- masked symbol
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 238000004891 communication Methods 0.000 title claims description 63
- 230000000873 masking effect Effects 0.000 claims description 7
- 230000005540 biological transmission Effects 0.000 abstract description 25
- 238000000034 method Methods 0.000 description 32
- 238000010586 diagram Methods 0.000 description 26
- 238000001514 detection method Methods 0.000 description 12
- 238000012935 Averaging Methods 0.000 description 10
- 238000010276 construction Methods 0.000 description 8
- 239000000284 extract Substances 0.000 description 7
- 230000001413 cellular effect Effects 0.000 description 5
- 238000012545 processing Methods 0.000 description 4
- 238000010295 mobile communication Methods 0.000 description 3
- 238000007796 conventional method Methods 0.000 description 2
- 206010010071 Coma Diseases 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005562 fading Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/69—Spread spectrum techniques
- H04B1/707—Spread spectrum techniques using direct sequence modulation
- H04B1/7073—Synchronisation aspects
- H04B1/70735—Code identification
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/69—Spread spectrum techniques
- H04B1/707—Spread spectrum techniques using direct sequence modulation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/69—Spread spectrum techniques
- H04B1/707—Spread spectrum techniques using direct sequence modulation
- H04B1/7073—Synchronisation aspects
- H04B1/7075—Synchronisation aspects with code phase acquisition
- H04B1/7077—Multi-step acquisition, e.g. multi-dwell, coarse-fine or validation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/69—Spread spectrum techniques
- H04B1/707—Spread spectrum techniques using direct sequence modulation
- H04B1/7073—Synchronisation aspects
- H04B1/7083—Cell search, e.g. using a three-step approach
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/69—Spread spectrum techniques
- H04B1/707—Spread spectrum techniques using direct sequence modulation
- H04B1/709—Correlator structure
- H04B1/7093—Matched filter type
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J13/00—Code division multiplex systems
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B2201/00—Indexing scheme relating to details of transmission systems not covered by a single group of H04B3/00 - H04B13/00
- H04B2201/69—Orthogonal indexing scheme relating to spread spectrum techniques in general
- H04B2201/707—Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation
- H04B2201/70701—Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation featuring pilot assisted reception
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B2201/00—Indexing scheme relating to details of transmission systems not covered by a single group of H04B3/00 - H04B13/00
- H04B2201/69—Orthogonal indexing scheme relating to spread spectrum techniques in general
- H04B2201/707—Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation
- H04B2201/70707—Efficiency-related aspects
Abstract
Description
Claims (19)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/014,352 US7035233B2 (en) | 1997-07-17 | 2001-12-14 | Radio communication terminal apparatus and radio communication base station apparatus |
US11/372,152 US7535864B2 (en) | 1997-07-17 | 2006-03-10 | Radio communication terminal apparatus and radio communication base station apparatus |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP20740797 | 1997-07-17 | ||
JP9-207407 | 1997-07-17 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US10/014,352 Continuation US7035233B2 (en) | 1997-07-17 | 2001-12-14 | Radio communication terminal apparatus and radio communication base station apparatus |
Publications (1)
Publication Number | Publication Date |
---|---|
US6370134B1 true US6370134B1 (en) | 2002-04-09 |
Family
ID=16539235
Family Applications (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US09/115,502 Expired - Lifetime US6370134B1 (en) | 1997-07-17 | 1998-07-15 | CDMA radio communication apparatus |
US10/014,352 Expired - Lifetime US7035233B2 (en) | 1997-07-17 | 2001-12-14 | Radio communication terminal apparatus and radio communication base station apparatus |
US11/372,152 Expired - Fee Related US7535864B2 (en) | 1997-07-17 | 2006-03-10 | Radio communication terminal apparatus and radio communication base station apparatus |
Family Applications After (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US10/014,352 Expired - Lifetime US7035233B2 (en) | 1997-07-17 | 2001-12-14 | Radio communication terminal apparatus and radio communication base station apparatus |
US11/372,152 Expired - Fee Related US7535864B2 (en) | 1997-07-17 | 2006-03-10 | Radio communication terminal apparatus and radio communication base station apparatus |
Country Status (6)
Country | Link |
---|---|
US (3) | US6370134B1 (en) |
EP (3) | EP0892503B9 (en) |
KR (1) | KR100300903B1 (en) |
CN (3) | CN1113497C (en) |
DE (2) | DE69839197T2 (en) |
ES (3) | ES2476600T3 (en) |
Cited By (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20020054585A1 (en) * | 2000-11-06 | 2002-05-09 | Ntt Docomo, Inc. | Transmitter, transmitting method, receiver, and receiving method for MC-CDMA communication system |
US20020110185A1 (en) * | 2000-12-15 | 2002-08-15 | Nec Corporation | Cell search method to subtract autocorrelation patterns from a correlation value profile |
US20020114310A1 (en) * | 2000-12-22 | 2002-08-22 | Molnar Karl J. | Methods, communication apparatus, and computer program products for detecting an information field in a signal by averaging symbol values across multiple time slot intervals |
WO2002088768A2 (en) * | 2001-04-26 | 2002-11-07 | Motorola, Inc., A Corporation Of The State Of Delaware | A spread-spectrum receiving method and associated system |
US20030095531A1 (en) * | 2001-11-20 | 2003-05-22 | Analog Devices, Inc. | Methods and apparatus for spread spectrum signal processing using a reconfigurable coprocessor |
US6574205B1 (en) * | 1998-05-01 | 2003-06-03 | Nec Corporation | CDMA cellular system and method of detecting spreading code in CDMA cellular system |
US6754251B1 (en) * | 1998-03-09 | 2004-06-22 | Texas Instruments Incorporated | Spread-spectrum telephony with accelerated code acquisition |
US6798736B1 (en) * | 1998-09-22 | 2004-09-28 | Qualcomm Incorporated | Method and apparatus for transmitting and receiving variable rate data |
US20040228316A1 (en) * | 1998-05-13 | 2004-11-18 | Hitachi, Ltd. | Code division multiple access mobile communication system |
US6822999B1 (en) * | 1999-11-13 | 2004-11-23 | Lg Electronics Inc. | High-speed cell searching apparatus and method for communication system |
US6873664B1 (en) * | 1999-11-12 | 2005-03-29 | Itt Manufacturing Enterprises, Inc. | Method and apparatus for detecting an interleaved code |
US6944210B1 (en) * | 1998-09-22 | 2005-09-13 | Siemens Aktiengesellschaft | Method for receiving or sending messages |
US6954485B1 (en) * | 1999-10-14 | 2005-10-11 | Nec Corporation | CDMA baseband receiver capable of establishing synchronization with peripheral base stations |
US6959030B1 (en) | 1999-11-12 | 2005-10-25 | Itt Manufacturinger Enterprises, Inc. | Method and apparatus for generating an interleaved code |
US6965634B1 (en) * | 1999-11-12 | 2005-11-15 | Itt Manufacturing Enterprises, Inc. | Non-stationary dither code generation and detection |
US20060039453A1 (en) * | 2004-08-23 | 2006-02-23 | Oki Electric Industry Co., Ltd. | Circuit for following up synchronization of a spread-coded signal by power comparison and phase adjustment |
US20070287462A1 (en) * | 2006-06-13 | 2007-12-13 | Qualcomm Incorporated | Handoff selection for wireless communication systems |
US20080153468A1 (en) * | 2002-02-07 | 2008-06-26 | Qualcomm Cambridge Limited | Method and apparatus for providing updated content data to a mobile terminal |
US20080279220A1 (en) * | 2007-05-09 | 2008-11-13 | Qualcomm Incorporated | Preamble structure and acquisition for a wireless communication system |
US20080285526A1 (en) * | 2006-05-22 | 2008-11-20 | Qualcomm Incorporated | Signal acquisition in a wireless communication system |
US20100160930A1 (en) * | 1995-06-07 | 2010-06-24 | Sri International | Surgical manipulator for a telerobotic system |
US20110205992A1 (en) * | 2003-11-18 | 2011-08-25 | Interdigital Technology Corporation | Method and system for providing channel assignment information used to support uplink and downlink channels |
US11412362B2 (en) * | 2013-01-05 | 2022-08-09 | Brian G. Agee | Reception of signals with unpredictable transmission properties in wireless M2M networks |
Families Citing this family (35)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1310887A (en) * | 1999-04-27 | 2001-08-29 | 株式会社鹰山 | DS-CDMA receiver |
KR100429545B1 (en) * | 1999-08-17 | 2004-04-28 | 삼성전자주식회사 | Method for communicating scrambling code id in mobile communication system |
KR100388924B1 (en) * | 1999-09-06 | 2003-06-25 | 가부시키가이샤 엔.티.티.도코모 | Control method of searching neighboring cells, mobile station, and mobile communication system |
JP3581058B2 (en) * | 1999-10-14 | 2004-10-27 | 株式会社エヌ・ティ・ティ・ドコモ | Method for transmitting synchronization signal in CDMA mobile communication system, and CDMA mobile communication system |
KR100342483B1 (en) * | 2000-09-09 | 2002-06-28 | 윤종용 | Apparatus and method for searching base station in umts |
US6980539B2 (en) | 2000-11-06 | 2005-12-27 | Ntt Docomo, Inc. | Mobile communication system in multi-carrier CDMA scheme using short code and long code |
US6628634B2 (en) * | 2000-12-11 | 2003-09-30 | Telefonaktiebolaget Lm Ericsson (Publ) | Fast decoding of long codes |
JP3520045B2 (en) * | 2000-12-14 | 2004-04-19 | 三洋電機株式会社 | Frame timing detection circuit, frame timing detection method, cell search device, and portable wireless terminal using cell search device |
US6993107B2 (en) * | 2001-01-16 | 2006-01-31 | International Business Machines Corporation | Analog unidirectional serial link architecture |
US7962716B2 (en) | 2001-03-22 | 2011-06-14 | Qst Holdings, Inc. | Adaptive integrated circuitry with heterogeneous and reconfigurable matrices of diverse and adaptive computational units having fixed, application specific computational elements |
US7752419B1 (en) | 2001-03-22 | 2010-07-06 | Qst Holdings, Llc | Method and system for managing hardware resources to implement system functions using an adaptive computing architecture |
US6836839B2 (en) | 2001-03-22 | 2004-12-28 | Quicksilver Technology, Inc. | Adaptive integrated circuitry with heterogeneous and reconfigurable matrices of diverse and adaptive computational units having fixed, application specific computational elements |
US20040133745A1 (en) | 2002-10-28 | 2004-07-08 | Quicksilver Technology, Inc. | Adaptable datapath for a digital processing system |
US7653710B2 (en) | 2002-06-25 | 2010-01-26 | Qst Holdings, Llc. | Hardware task manager |
US6577678B2 (en) | 2001-05-08 | 2003-06-10 | Quicksilver Technology | Method and system for reconfigurable channel coding |
EP1424797A4 (en) * | 2001-09-04 | 2006-08-02 | Mitsubishi Electric Corp | Radio mobile device |
US7046635B2 (en) | 2001-11-28 | 2006-05-16 | Quicksilver Technology, Inc. | System for authorizing functionality in adaptable hardware devices |
US6986021B2 (en) | 2001-11-30 | 2006-01-10 | Quick Silver Technology, Inc. | Apparatus, method, system and executable module for configuration and operation of adaptive integrated circuitry having fixed, application specific computational elements |
US8412915B2 (en) | 2001-11-30 | 2013-04-02 | Altera Corporation | Apparatus, system and method for configuration of adaptive integrated circuitry having heterogeneous computational elements |
US20030108012A1 (en) * | 2001-12-12 | 2003-06-12 | Quicksilver Technology, Inc. | Method and system for detecting and identifying scrambling codes |
US7139256B2 (en) * | 2001-12-12 | 2006-11-21 | Quicksilver Technology, Inc. | Method and system for detecting and identifying scrambling codes |
US7215701B2 (en) | 2001-12-12 | 2007-05-08 | Sharad Sambhwani | Low I/O bandwidth method and system for implementing detection and identification of scrambling codes |
US7403981B2 (en) | 2002-01-04 | 2008-07-22 | Quicksilver Technology, Inc. | Apparatus and method for adaptive multimedia reception and transmission in communication environments |
US7328414B1 (en) | 2003-05-13 | 2008-02-05 | Qst Holdings, Llc | Method and system for creating and programming an adaptive computing engine |
US7660984B1 (en) | 2003-05-13 | 2010-02-09 | Quicksilver Technology | Method and system for achieving individualized protected space in an operating system |
US8108656B2 (en) | 2002-08-29 | 2012-01-31 | Qst Holdings, Llc | Task definition for specifying resource requirements |
US7937591B1 (en) | 2002-10-25 | 2011-05-03 | Qst Holdings, Llc | Method and system for providing a device which can be adapted on an ongoing basis |
US8276135B2 (en) | 2002-11-07 | 2012-09-25 | Qst Holdings Llc | Profiling of software and circuit designs utilizing data operation analyses |
US7225301B2 (en) | 2002-11-22 | 2007-05-29 | Quicksilver Technologies | External memory controller node |
JPWO2007020710A1 (en) * | 2005-08-19 | 2009-02-19 | パナソニック株式会社 | Base station apparatus and mobile station apparatus |
EP2023517A1 (en) * | 2006-05-29 | 2009-02-11 | Panasonic Corporation | Radio base station apparatus |
US20080130592A1 (en) * | 2006-12-04 | 2008-06-05 | Electronics And Telecommunications Research Institute | Apparatus and method for managing medium access slot in wireless personal area network |
EP2449832A4 (en) * | 2009-07-03 | 2017-07-12 | Apple Inc. | The use of first and second preambles in wireless communication signals |
JP5990466B2 (en) | 2010-01-21 | 2016-09-14 | スビラル・インコーポレーテッド | Method and apparatus for a general purpose multi-core system for implementing stream-based operations |
CN110012048B (en) | 2018-11-22 | 2021-11-12 | 创新先进技术有限公司 | Information identification code generation method and device, electronic equipment and computer storage medium |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6167037A (en) * | 1996-03-05 | 2000-12-26 | Ntt Mobile Communications Networks Inc. | Signal transmitting method, transmitter, receiver, and spread-spectrum code synchronizing method for mobile communication system |
Family Cites Families (12)
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JPH01251930A (en) | 1988-03-31 | 1989-10-06 | Toshiba Corp | Frame synchronization detection system |
JPH0591084A (en) | 1991-09-30 | 1993-04-09 | Kawasaki Steel Corp | Decoder in cdma communication system |
US5491718A (en) * | 1994-01-05 | 1996-02-13 | Nokia Mobile Phones Ltd. | CDMA radiotelephone having optimized slotted mode and long code operation |
DE69532903T2 (en) * | 1994-02-09 | 2005-03-17 | Ntt Mobile Communications Network Inc. | METHOD AND DEVICE FOR MOBILE CDMA RADIO MESSAGE TRANSMISSION |
US5724378A (en) * | 1994-12-13 | 1998-03-03 | Nit Mobile Communications Network, Inc. | CDMA multiuser receiver and method |
KR100220140B1 (en) * | 1994-12-28 | 1999-09-01 | 다치카와 게이지 | Device and method for initially synchronizing spread-spectrum code of cdma transmission system |
FI97581C (en) * | 1995-02-10 | 1997-01-10 | Nokia Telecommunications Oy | Receiver and method for generating spreading codes at the receiver |
JP3140317B2 (en) | 1995-02-16 | 2001-03-05 | 株式会社日立国際電気 | Pilot signal transmission method |
JP3376224B2 (en) * | 1996-10-23 | 2003-02-10 | 株式会社エヌ・ティ・ティ・ドコモ | Initial synchronization method and receiver in asynchronous cellular system between DS-CDMA base stations |
JP3373746B2 (en) * | 1997-01-07 | 2003-02-04 | 株式会社鷹山 | Initial synchronization method and receiver in asynchronous cellular system between DS-CDMA base stations |
JP2861985B2 (en) * | 1997-06-16 | 1999-02-24 | 日本電気株式会社 | High-speed cell search method for CDMA |
US6185244B1 (en) * | 1997-08-29 | 2001-02-06 | Telefonaktiebolaget Lm Ericsson | Cell searching in a CDMA communications system |
-
1998
- 1998-07-15 DE DE69839197T patent/DE69839197T2/en not_active Expired - Lifetime
- 1998-07-15 EP EP98113191A patent/EP0892503B9/en not_active Expired - Lifetime
- 1998-07-15 EP EP08100709.8A patent/EP1914904B1/en not_active Expired - Lifetime
- 1998-07-15 ES ES08100709.8T patent/ES2476600T3/en not_active Expired - Lifetime
- 1998-07-15 US US09/115,502 patent/US6370134B1/en not_active Expired - Lifetime
- 1998-07-15 EP EP04012123A patent/EP1447918B1/en not_active Expired - Lifetime
- 1998-07-15 DE DE69825370T patent/DE69825370T2/en not_active Expired - Lifetime
- 1998-07-15 ES ES04012123T patent/ES2301896T3/en not_active Expired - Lifetime
- 1998-07-15 ES ES98113191T patent/ES2226037T3/en not_active Expired - Lifetime
- 1998-07-16 KR KR1019980028939A patent/KR100300903B1/en not_active IP Right Cessation
- 1998-07-17 CN CN98116336A patent/CN1113497C/en not_active Expired - Lifetime
- 1998-07-17 CN CNB2004100590024A patent/CN100353693C/en not_active Expired - Lifetime
- 1998-07-17 CN CNB021028001A patent/CN1167219C/en not_active Expired - Lifetime
-
2001
- 2001-12-14 US US10/014,352 patent/US7035233B2/en not_active Expired - Lifetime
-
2006
- 2006-03-10 US US11/372,152 patent/US7535864B2/en not_active Expired - Fee Related
Patent Citations (1)
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US6167037A (en) * | 1996-03-05 | 2000-12-26 | Ntt Mobile Communications Networks Inc. | Signal transmitting method, transmitter, receiver, and spread-spectrum code synchronizing method for mobile communication system |
Non-Patent Citations (4)
Title |
---|
An article by Higuchi et al., entitled "Two-Stage Rapid Long Code Acquisition Scheme in DS-CDMA Asynchronous Cellular System", published by NTT Mobile Communications Network Inc., with an English Language abstract. |
Article by HIGUCHI et al., entitled "Fast Cell Search Algorithm using Long Code Masking in DS-CDMA Asynchronous Cellular System", published by NTT Mobile Communications Network Inc., pp. 57-63, along with an English language translation of its relevant portion. |
Article by HIGUGHI et al., entitled "Two Stage Rapid Cell Search Scheme in DS-CDMA Asynchronous Cellular System using Long Code", published by NTT Mobile Communications Network Inc., pp. 51-56, along with an English language translation of its relevant portion. |
English Language Abstract of JP 11-8607. |
Cited By (51)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20100160930A1 (en) * | 1995-06-07 | 2010-06-24 | Sri International | Surgical manipulator for a telerobotic system |
US6754251B1 (en) * | 1998-03-09 | 2004-06-22 | Texas Instruments Incorporated | Spread-spectrum telephony with accelerated code acquisition |
US6574205B1 (en) * | 1998-05-01 | 2003-06-03 | Nec Corporation | CDMA cellular system and method of detecting spreading code in CDMA cellular system |
US20040228316A1 (en) * | 1998-05-13 | 2004-11-18 | Hitachi, Ltd. | Code division multiple access mobile communication system |
US9577745B2 (en) * | 1998-05-13 | 2017-02-21 | Fipa Frohwitter Intellectual Property Ag | Code division multiple access mobile communication system |
US20140355571A1 (en) * | 1998-05-13 | 2014-12-04 | Fipa Frohwitter Intellectual Property Ag | Code division multiple access mobile communication system |
US8837436B2 (en) * | 1998-05-13 | 2014-09-16 | Fipa Frohwitter International Property AG | Code division multiple access mobile communication system |
US20130077602A1 (en) * | 1998-05-13 | 2013-03-28 | Fipa Frohwitter Intellectual Property Ag | Code division multiple access mobile communication system |
US8335245B2 (en) | 1998-05-13 | 2012-12-18 | Fipa Frohwitter Intellectual Property Ag | Code division multiple access mobile communication system |
US20100278148A1 (en) * | 1998-05-13 | 2010-11-04 | Fipa Frohwitter Intellectual Property Ag | Code division multiple access mobile communication system |
US7778310B2 (en) * | 1998-05-13 | 2010-08-17 | Fipa Frohwitter Intellectual Property Ag | Code division multiple access mobile communication system |
US20080080363A1 (en) * | 1998-09-22 | 2008-04-03 | Qualcomm Incorporated | Method and apparatus for transmitting and receiving variable rate data |
US7961592B2 (en) | 1998-09-22 | 2011-06-14 | Qualcomm Incorporated | Method and apparatus for transmitting and receiving variable rate data |
US6798736B1 (en) * | 1998-09-22 | 2004-09-28 | Qualcomm Incorporated | Method and apparatus for transmitting and receiving variable rate data |
US6944210B1 (en) * | 1998-09-22 | 2005-09-13 | Siemens Aktiengesellschaft | Method for receiving or sending messages |
US20040218570A1 (en) * | 1998-09-22 | 2004-11-04 | Black Peter J. | Method and apparatus for transmitting and receiving variable rate data |
US7315531B2 (en) | 1998-09-22 | 2008-01-01 | Qualcomm Incorporated | Method and apparatus for transmitting and receiving variable rate data |
US6954485B1 (en) * | 1999-10-14 | 2005-10-11 | Nec Corporation | CDMA baseband receiver capable of establishing synchronization with peripheral base stations |
US6965634B1 (en) * | 1999-11-12 | 2005-11-15 | Itt Manufacturing Enterprises, Inc. | Non-stationary dither code generation and detection |
US6959030B1 (en) | 1999-11-12 | 2005-10-25 | Itt Manufacturinger Enterprises, Inc. | Method and apparatus for generating an interleaved code |
US6873664B1 (en) * | 1999-11-12 | 2005-03-29 | Itt Manufacturing Enterprises, Inc. | Method and apparatus for detecting an interleaved code |
US6822999B1 (en) * | 1999-11-13 | 2004-11-23 | Lg Electronics Inc. | High-speed cell searching apparatus and method for communication system |
US20060239233A1 (en) * | 2000-11-06 | 2006-10-26 | Ntt Docomo, Inc. | Transmitter, transmitting method, receiver, and receiving method for MC-CDMA communication system |
US7130293B2 (en) * | 2000-11-06 | 2006-10-31 | Ntt Docomo, Inc. | Transmitter, transmitting method, receiver, and receiving method for MC-CDMA communication system |
US7957361B2 (en) | 2000-11-06 | 2011-06-07 | Ntt Docomo, Inc. | Transmitter, transmitting method, receiver, and receiving method for MC-CDMA communication system |
US20020054585A1 (en) * | 2000-11-06 | 2002-05-09 | Ntt Docomo, Inc. | Transmitter, transmitting method, receiver, and receiving method for MC-CDMA communication system |
US7200165B2 (en) * | 2000-12-15 | 2007-04-03 | Nec Electronics Corporation | Cell search method to subtract autocorrelation patterns from a correlation value profile |
US20020110185A1 (en) * | 2000-12-15 | 2002-08-15 | Nec Corporation | Cell search method to subtract autocorrelation patterns from a correlation value profile |
US20020114310A1 (en) * | 2000-12-22 | 2002-08-22 | Molnar Karl J. | Methods, communication apparatus, and computer program products for detecting an information field in a signal by averaging symbol values across multiple time slot intervals |
WO2002088768A3 (en) * | 2001-04-26 | 2003-03-27 | Motorola Inc | A spread-spectrum receiving method and associated system |
WO2002088768A2 (en) * | 2001-04-26 | 2002-11-07 | Motorola, Inc., A Corporation Of The State Of Delaware | A spread-spectrum receiving method and associated system |
US6535548B1 (en) * | 2001-04-26 | 2003-03-18 | Motorola, Inc. | Mobile wireless communication devices for receiving spread spectrum signals and methods therefor |
US7433389B2 (en) * | 2001-11-20 | 2008-10-07 | Mediatek Inc. | Methods and apparatus for spread spectrum signal processing using a reconfigurable coprocessor |
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DE69839197T2 (en) | 2009-03-05 |
EP1914904B1 (en) | 2014-05-28 |
EP0892503B1 (en) | 2004-08-04 |
CN1167219C (en) | 2004-09-15 |
DE69825370D1 (en) | 2004-09-09 |
KR19990013970A (en) | 1999-02-25 |
US20020041581A1 (en) | 2002-04-11 |
EP0892503A3 (en) | 2002-05-02 |
US7035233B2 (en) | 2006-04-25 |
CN1113497C (en) | 2003-07-02 |
EP1447918A2 (en) | 2004-08-18 |
US7535864B2 (en) | 2009-05-19 |
CN1206267A (en) | 1999-01-27 |
EP1447918B1 (en) | 2008-02-27 |
KR100300903B1 (en) | 2001-09-06 |
CN1367590A (en) | 2002-09-04 |
EP1447918A3 (en) | 2005-11-09 |
DE69825370T2 (en) | 2004-12-16 |
CN1592178A (en) | 2005-03-09 |
DE69839197D1 (en) | 2008-04-10 |
EP1914904A1 (en) | 2008-04-23 |
EP0892503B9 (en) | 2005-01-05 |
ES2301896T3 (en) | 2008-07-01 |
ES2476600T3 (en) | 2014-07-15 |
US20060153113A1 (en) | 2006-07-13 |
ES2226037T3 (en) | 2005-03-16 |
EP0892503A2 (en) | 1999-01-20 |
CN100353693C (en) | 2007-12-05 |
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